Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Simple Vehicle Model for Highway Bridge Impact
The paper suggests a simple vehicle model which may be used to estimate impact in highway bridges. In this model, each axle load consists of a constant load together with a sinusoidally varying dynamic component with a frequency equal to the natural frequency of the bridge. The dynamic response of the bridge may be formed by adding the effects of the individual axles, and for maximum impact the dynamic load components must be in phase with respect to time. Maximum bending moments in a simple girder are determined by the span, the static axle loads, the relative magnitude of the dynamic load components and a bridge factor defined as the number of dynamic load maxima applied by an axle during its passage over the bridge.
Simple Vehicle Model for Highway Bridge Impact
The paper suggests a simple vehicle model which may be used to estimate impact in highway bridges. In this model, each axle load consists of a constant load together with a sinusoidally varying dynamic component with a frequency equal to the natural frequency of the bridge. The dynamic response of the bridge may be formed by adding the effects of the individual axles, and for maximum impact the dynamic load components must be in phase with respect to time. Maximum bending moments in a simple girder are determined by the span, the static axle loads, the relative magnitude of the dynamic load components and a bridge factor defined as the number of dynamic load maxima applied by an axle during its passage over the bridge.
Simple Vehicle Model for Highway Bridge Impact
T. H. T. Chan (Autor:in) / C. O'Connor (Autor:in)
1989
53 pages
Report
Keine Angabe
Englisch
Highway Engineering , Architectural Design & Environmental Engineering , Structural Mechanics , Highway bridges , Impact tests , Dynamic structural analysis , Dynamic response , Bending moments , Stress analysis , Structural design , Damping , Static loads , Mechanical properties , Strain measurement , Foreign technology
Simple vehicle model for highway bridge impact
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